Remove extra whitespaces at line ends.

src/Console/Output/OutputWatcher.php

@@ -118,4 +118,4 @@ class OutputWatcher implements OutputInterface
     {
         return $this->wasWritten;
     }
-} 
+}

src/Console/Output/RemoteOutput.php

@@ -103,4 +103,4 @@ class RemoteOutput implements OutputInterface
     {
         return $this->output->getFormatter();
     }
-} 
+}

src/Server/Builder.php

@@ -134,4 +134,4 @@ class Builder
         $this->env->set('stages', (array)$stages);
         return $this;
     }
-} 
+}